Function move

lib/web/CodeMirror/keymap/vim.js:576–601

(cm, offset)

        }
      }
      function move(cm, offset) {
        pointer += offset;
        if (pointer > head) {
          pointer = head;
        } else if (pointer < tail) {
          pointer = tail;
        }
        var mark = buffer[(size + pointer) % size];
        // skip marks that are temporarily removed from text buffer
        if (mark && !mark.find()) {
          var inc = offset > 0 ? 1 : -1;
          var newCur;
          var oldCur = cm.getCursor();
          do {
            pointer += inc;
            mark = buffer[(size + pointer) % size];
            // skip marks that are the same as current position
            if (mark &&
                (newCur = mark.find()) &&
                !cursorEqual(oldCur, newCur)) {
              break;
            }
          } while (pointer < head && pointer > tail);
        }
        return mark;
      }
      function find(cm, offset) {
        var oldPointer = pointer;
        var mark = move(cm, offset);